Welcome to Airnote!

A solar-powered, cellular air quality monitor. Discover what's in the air around you, wherever you are.

A partnership between Safecast & Blues, powered by a community of citizens monitoring the air we breathe.

Have an Airnote?

The Quickstart guide walks you through turning it on, connecting it, and viewing your readings.

Get your own cellular-powered air quality monitor from the Blues shop. No Wi-Fi needed.